Is there any case law where an attorney concealed material evidence that could have affected the outcome of a probate action?

The People's reliance on Sullins v. State Bar (1975) 15 Cal.3d 609 is also inapt. In that case, an attorney concealed material evidence that could have affected the court's decision. (Id. at p. 614.) The attorney represented the executor of an estate in a probate action between the executor and the decedent's daughter. (Id. at pp. 614-615.) The decedent's will designated her nephew as the sole recipient of her house. (Id. at p. 614.) The attorney mailed the nephew a letter to notify him of the bequest. (Id. at p. 615.) The nephew replied by notarized

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